Changes made by Regulation (EEC) No 1264/90 amending Regulation (EEC) No 3179/80 on postal charges to be taken into…
EU Regulation No 1264/1990
Made to Regulation (EEC) No 3179/80 on postal charges to be taken into consideration when determining the customs…
From legislation.gov.uk's record of changes, the official one: see it there.